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Control.com topic...
Sensors
Topic: Sensor technologies.
from the Need to find a sensor department...
Lightning Sensor
Originally posted by Andrew on 19 August, 2014 - 7:18 pm
I'm trying to find a lightning sensor
New Replies:
Detecting lightning within a defined radius might be a problem. Not detecting the lightning, that's...
Topic: Continuous process industries, DCS questions.
from the Instrumentation and Control department...
Understanding Run Back in Burner Management System
Posted by fluidflow on 16 August, 2014 - 11:13 am
What is Run Back in a Boiler Operation?
Topic: Engineering and workplace issues.
from the Forum department...
Ruston TA1750
Posted by Control Engineer on 13 August, 2014 - 8:23 am
Information request for Ruston TA1750
Topic: PLCs and related questions.
from the Automation department...
Calculating Input Current
Posted by Srbrg on 11 August, 2014 - 1:37 pm
Calculating the input current to PLCs for Armorblock - 1732E-IB16M12SOEDR
Topic: Sensor technologies.
from the Voltage drop department...
Honeywell XNX voltage drop
Originally posted by Saurabh on 7 August, 2014 - 7:52 am
Honeywell XNX shows voltage drop after connecting the TX
New Replies:
Your power supply and wiring are not providing the minimum voltage to the XNX (a gas detector). ...
Topic: The Business of Automation and Control
from the Investors department...
New Flow Measurement Method
Originally posted by Abdolazim Hasseli on 9 April, 2014 - 1:09 am
How to find an investor of instruments.
New Replies:
I'd be interested in learning more about your new flow measurement solution. Please email at...
Topic: Continuous process industries, DCS questions.
from the Instrumentation department...
RTD Thermowell Response Time
Originally posted by MSalem on 4 April, 2010 - 7:30 pm
Thermowell RTD response time calculation
New Replies:
Special calibration equipment is typically used for did testing. For 0-100Deg C, temperature...
Hello, I'm preparing a thermal response test setup. In which different temperature sensors i.e...
Topic: Power generation equipment control.
from the instrumentation department...
generator hydrogen cooling system
Originally posted by None on 25 February, 2010 - 6:32 am
hydrogen cooling system for GE frame6 generator manual
New Replies:
Hello, Ruiyu Chen, We don't know what kind of turbine-generator you are talking about. My answer...
Hello, I am ruiyu chen. After reading your post, I think you are the one who can help me to get...
Topic: Sensor technologies.
from the Forum department...
Re-calibrating Rosemount Transmitters
Originally posted by shep on 25 July, 2014 - 8:52 pm
Re-calibrating Rosemount Transmitters after power is removed?
New Replies:
No only if you do a complete reset on it. The reset will take it back to the factory defaults but a...
Topic: Power generation equipment control.
from the Thermocouple department...
MARK VIe Thermocouples
Originally posted by Yassar on 27 July, 2014 - 1:53 pm
Questions about thermocouples and MARK VIe
New Replies:
Yassar, One of the better manuals produced by GE, the Mark VIe System Guide, GEH-6721, has some...
Topic: Sensor technologies.
from the Control Systems department...
1oo2 voting for temperature transmitter
Originally posted by christine on 23 July, 2014 - 4:30 am
1oo2 voting for temperature transmitter
New Replies:
http://www.controleng.com/single-article/monitoring-critical-vessel-te mperature/224a1b309e.html ...
you might consider placement in valve-free connecting pipe, but that depends on a number of...
Topic: Application Questions and Problems
from the CBM department...
lube oil level
Originally posted by syed on 14 July, 2014 - 9:24 am
Which Lube oil tnk level to be used: Absolute or relative
New Replies:
Sam, great detail you have provide. Thank you very much for the response. This is really...
Something to take into consideration is that the pressure at the bottom of a column of liquid will...
Sam, thanks for your reply. You have given an excellent point that i cannot really find in any...
In most cases there is a reason for measuring the level of a product in a vessel and that is to...
Topic: Sensor technologies.
from the Instrumentation department...
analog 4-20mA output transmision
Originally posted by Kiyani on 10 May, 2012 - 6:02 pm
Analyzers analog output signal 4-20mA transmission
New Replies:
Is it safe to run analog and digital instrument signals in the same mulicore cable? multicore is...
Originally posted by ANA on 12 July, 2014 - 3:11 pm
Single controller for multiple purposes
New Replies:
Sound a lot like a split range control that you need to do in this application. In a split range...
I am assuming that the final output of the flow controller is a position command to a control...
of course simulteous control is not possible, but to talk about valves in a specific...
Topic: Continuous process industries, DCS questions.
from the INSTRUMENT department...
Reading Hot Thermocouple
Originally posted by RAJESH on 6 July, 2014 - 4:34 pm
Does a hot thermocouple in junction box give an actual reading?
New Replies:
good answer >> if the connections are made properly and proper thermocouple extension...
Just a clarification on the condition of both thermocouple leads having cold junctions. The cold...
excellent description of the problem faced and how to get proper readings...
> if the connections are made properly and proper thermocouple extension wiring > and...
if the connections are made properly and proper thermocouple extension wiring and terminal blocks...
Topic: Sensor technologies.
from the Forum department...
Research on sensors
Posted by Adom David on 11 July, 2014 - 5:00 am
Calculation of Reliability and MTBF OF SENSORS
Originally posted by tech77 on 16 May, 2011 - 6:17 am
Magnetic pickup - amplitude or frequency
New Replies:
Ramana, There is a lot of good and applicable information in the previous posts to this thread....
Dear friend, Please need a help about magnetic pickup unit sensor. Am confused about the sensor...
Topic: Sensor technologies.
from the Doors department...
Limit switch
Originally posted by Kevlonski on 4 July, 2014 - 8:51 am
Looking for limit switch compatibility between VDC and VAC
New Replies:
According to the catalog page from the Grainger website, your switch is rated at 15A, 480VAC/DC, so...
Originally posted by Joe on 29 June, 2014 - 7:10 am
Differential pressure as tank level incorrect reading
New Replies:
I haven't a clue what your supplier actually provided. You need to ask them to be very specific...
I thank you so much guys for your answers. The range is 0-2.8 bars by the way. The supplier gave me...
Presumably this is liquid CO2 in a pressurized vessel? You probably have the wrong DP pressure...
d/p = delta L[m] * density[Kgf/m3] for d/p in Kgf/m2 likely that you transmitter is spanned...
Topic: Continuous process industries, DCS questions.
from the Slurry Density Measurement department...
Slurry Density Measurement
Originally posted by Peter Green on 30 January, 2007 - 11:59 pm
Are there reliable alternatives available to measuring slurry density except for the Gamma radiation method?
New Replies:
By Marius de Vries on 26 June, 2014 - 4:33 am -
Yes, there is now! We are manufacturer of ceramic ultrasonic sonochemistry analyzers for slurry...
Topic: Continuous process industries, DCS questions.
from the Instrumentation department...
Instrument Control Loop
Posted by Waqar Ahmed on 26 June, 2014 - 3:18 am
Maintenance procedure of process control loop.
Topic: Sensor technologies.
from the EE department...
difference between NPN/PNP Sensors
Originally posted by majid on 8 October, 2006 - 4:57 pm
what is difference?
New Replies:
Hello, Very good explanation on the sinking and sourcing. So, please correct me if I'm wrong......
Topic: Sensor technologies.
from the Forum department...
Shorten The Range Of Thermocouple
Originally posted by A. Castolina on 24 June, 2014 - 9:45 pm
How to shorten the range of Thermocouple in order to have a better acuuracy in reading
New Replies:
A t/c is not suitable for that purpose (extremely low signal), recommend that you consider using...
Thermocouple is for higher temp. transmitter will give you turn down up to 10:1 ( depends upon...
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